the fbi is heavily involved in the case. they urged the public to report anyone they know who is exacting suspiciously. >> any kind of unusual behavior between last friday and today. somebody very engaged in the media coverage of this particular investigation and maybe they're a little annoyed by all the coverage. if that behavior is not normal for them, we'd like to know about it. >> reporter: stranger abductions are exceedingly rare. of the 800,000 or so kids who go missing each year, 100 with taken by a perfect stranger or slight acquaintance, bill. bill: how is the community reacting to this so far, dan? >> reporter: you can imagine this story is dominating the headlines here. the principal at jessica's school he sees fewer kids playing outside. this is really having a big impact in this community. even as people cling to the hope she is still alive, there is a makeshift memorial gone up in a nearby park. people are on edge, parents, coaches educators. counseling is being offered in schools. a crisis center has been open